ʻO ka hewa Phase-to-phase kahi hewa uila kū hoʻokahi i nā wili kaʻa ʻekolu. Mai nā helu helu o nā kaʻa kaʻa hewa, hiki ke ʻike ʻia ma ke ʻano o nā hemahema o ka phase-to-phase, ʻoi aku ka nui o nā pilikia o nā motika ʻelua-pole, a ʻo ka hapa nui o ia mau mea i ka hopena o nā wili.

Mai ka hāʻawi ʻana i nā wili wili kaʻa kaʻa, ʻoi aku ka nui o ka lōʻihi o nā wili wili kaʻa ʻelua, a ʻo ka hopena hope he pilikia nui i ke kaʻina hoʻopili uea. Eia kekahi, paʻakikī ka hoʻoponopono ʻana i ka insulation phase-to-phase a hoʻopaʻa i nā wiliwili, a ʻoi aku ka maikaʻi o ka neʻe ʻana o ka insulation phase-to-phase. ninau.

I ka wā o ke kaʻina hana, e nānā nā mea hana kaʻa maʻamau i nā hewa o ka phase-to-phase ma o ke ʻano o ka volta, akā ʻaʻole ʻike ʻia ka palena palena o ka haki ʻana i ka wā o ka nānā ʻana i ka hana wili a me ka hoʻāʻo ʻole. Hiki mai ia mau pilikia Hiki ke holo ke kaa ma lalo o ka ukana.

ʻO ka hoʻāʻo hoʻoili kaʻa he mea hōʻike ʻano ʻano, a ʻo ka hoʻāʻo no-load wale nō i hana ʻia i ka wā o ka hoʻāʻo ʻana o ka hale hana, ʻo ia kekahi o nā kumu e haʻalele ai ka kaʻa i ka hale hana me nā pilikia. Eia naʻe, mai ka manaʻo o ka hana ʻana i ka mana maikaʻi, pono mākou e hoʻomaka me ka standardization o ke kaʻina hana, hōʻemi a hoʻopau i nā hana maikaʻi ʻole, a lawe i nā hana hoʻoikaika pono no nā ʻano wili like ʻole.

Ka helu o nā pole pai o ke kaʻa

ʻO kēlā me kēia pūʻulu o nā huila o ka motika AC ʻekolu-phase e hoʻohua i nā pole magnetic N a me S, a ʻo ka helu o nā pole magnetic i loko o kēlā me kēia māhele o kēlā me kēia kaʻa ka helu o nā pou. Ma muli o ka ʻike ʻia ʻana o nā pole magnetic i ʻelua, loaʻa i ke kaʻa he 2, 4, 6, 8… mau pou.

Ke hoʻokahi wale nō wili i kēlā me kēia māhele wili o nā ʻāpana A, B, a me C, i puʻunaue like ʻia a like me ka like ʻole ma ke anapuni, hoʻololi ke ʻano o kēia manawa i hoʻokahi manawa, a hoʻohuli ʻia ke kahua hoʻololi i hoʻokahi manawa, ʻo ia hoʻi he mau pou. Inā hui ʻia kēlā me kēia māhele o A, B, a me C i ʻelua mau ʻōwili i ka moʻo, a ʻo ka lōʻihi o kēlā me kēia pōʻai he 1/4 pōʻai, a laila, ʻo ke kahua magnetic composite i hoʻokumu ʻia e ke au ʻekolu-phase e mau ana ka ʻōwili. kahua mākēneki, a hoʻololi ke ʻano o kēia manawa i hoʻokahi manawa, ʻo ka huli ʻana o ka mākēneki e huli wale ana i 1/2 huli, ʻo ia hoʻi he 2 mau pou. Pēlā nō, inā hoʻonohonoho ʻia nā wiliwili e like me kekahi mau lula, 3 mau kia, 4 mau kia a i ʻole ma ka ʻōlelo maʻamau, hiki ke loaʻa nā pālua P. P ka logarithm pole.

ʻO ka motika ʻewalu pole, ʻo ia hoʻi, he 8 mau mākia mākēneki ka rotor, 2p=8, ʻo ia hoʻi, he 4 mau kia mākēneki o ka moto. ʻO ka mea maʻamau, ʻo nā mea hoʻomohala turbo he mau pahu pole huna, me ka liʻiliʻi o nā pole pālua, maʻamau 1 a i ʻole 2 mau pālua, a me n = 60f/p, no laila ua kiʻekiʻe loa kona wikiwiki, a hiki i 3000 revolutions (power frequency), a ʻO ka helu o nā pou o ka He nui loa ka mea hana hydroelectric, a ʻo ke ʻano o ka rotor he ʻano pou salient, a paʻakikī ke kaʻina hana. Ma muli o ka nui o nā pou, ua haʻahaʻa loa kona māmā, he mau kaʻapuni wale nō paha i kekona.

Ka helu ʻana i ka māmā holo synchronous

Hoʻohālikelike ʻia ka wikiwiki synchronous o ke kaʻa e like me ke kumu (1). Ma muli o ka slip factor o ka motika asynchronous, aia kekahi ʻokoʻa ma waena o ka wikiwiki maoli o ka mīkini a me ka wikiwiki synchronous.

n=60f/p……………………(1)

Ma ke kumu (1):

n – ka māmā holo kaʻa;

60 - pili i ka manawa, 60 kekona;

F——ke alapine mana, ka alapine mana ma ko'u aina he 50Hz, a he 60 Hz ka alapine mana ma na aina e;

P——ka heluna o na kia o ka moto, e like me ka mokini 2-po, P=1.

No ka laʻana, no ka motika 50Hz, ʻo ka māmā holo synchronous o ka motika 2-pole (1 pair pole) he 3000 rpm; ʻO ka māmā holo o ka motika 4-pole (2 pais pole) he 60×50/2=1500 rpm.

I ka hihia o ka mana hoʻopuka mau, ʻoi aku ka nui o ka nui o nā pole paʻa o ke kaʻa, ʻoi aku ka haʻahaʻa o ka wikiwiki o ke kaʻa, akā ʻoi aku ka nui o kona torque. No laila, i ke koho ʻana i kahi kaʻa, e noʻonoʻo i ka nui o ka torque hoʻomaka e pono ai ka ukana.

ʻO ke alapine o nā ʻano ʻekolu mau manawa i ko mākou ʻāina ʻo 50Hz. No laila, ʻo ka wikiwiki synchronous o kahi kaʻa 2-pole he 3000r / min, ʻo ka wikiwiki synchronous o kahi motika 4-pole he 1500r / min, ʻo ka wikiwiki synchronous o kahi kaʻa 6-pole he 1000r / min, a ʻo ka wikiwiki synchronous o kahi. ʻO 8-pole motor he 750r / min, ʻO ka wikiwiki synchronous o ka motika 10-pole he 600r / min, a ʻo ka wikiwiki synchronous o ka motika 12-pole he 500r / min.

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Ka manawa hoʻouna: Apr-08-2023